A193482 - OEIS

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A193482 as a simple table

n	a(n)
1	0
2	2
3	10
4	212
5	9201
6	1236536
7	391565294
8	316110683652
9	658828649763119
10	3543427279193946969
11	48701064645083867200925

[0,2,10,212,9201,1236536,391565294,316110683652, 658828649763119,3543427279193946969, 48701064645083867200925]